// Copyright 2017 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.

#ifndef STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_
#define STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_

namespace leveldb
{

    class EnvPosixTest;

    // A helper for the POSIX Env to facilitate testing.
    class EnvPosixTestHelper
    {
    private:
        friend class EnvPosixTest;

        // Set the maximum number of read-only files that will be opened.
        // Must be called before creating an Env.
        static void SetReadOnlyFDLimit(int limit);

        // Set the maximum number of read-only files that will be mapped via mmap.
        // Must be called before creating an Env.
        static void SetReadOnlyMMapLimit(int limit);
    };

} // namespace leveldb

#endif // STORAGE_LEVELDB_UTIL_ENV_POSIX_TEST_HELPER_H_
